/*
 * jPOS Project [http://jpos.org]
 * Copyright (C) 2000-2015 Alejandro P. Revilla
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package org.jpos.q2.cli;

import org.jpos.iso.ISOUtil;
import org.jpos.q2.CLICommand;
import org.jpos.q2.CLIContext;
import org.jpos.util.Loggeable;
import org.jpos.util.NameRegistrar;

import java.util.Iterator;
import java.util.Map;

public class SHOWNR implements CLICommand {
	public void exec(CLIContext cli, String[] args) throws Exception {
		boolean all = args.length > 1 && "-a".equals(args[1]);
		int i = 1;
		if (all) {
			i++;
		}
		if (args.length > i) {
			showOne(cli, args[i], all);
		} else {
			showAll(cli, all);
		}
	}

	private void showOne(CLIContext cli, String name, boolean detail) {
		try {
			Object obj = NameRegistrar.get(name);
			cli.println(name + " : " + obj.toString());
			if (detail && obj instanceof Loggeable) {
				((Loggeable) obj).dump(cli.getOutputStream(), "   ");
				cli.getOutputStream().flush();
			}
		} catch (NameRegistrar.NotFoundException e) {
			cli.println("Object not found in NameRegistrar");
		}
	}

	private void showAll(CLIContext cli, boolean detail) {
		NameRegistrar nr = NameRegistrar.getInstance();
		int maxw = 0;
		Iterator iter = NameRegistrar.getAsMap().entrySet().iterator();
		while (iter.hasNext()) {
			Map.Entry entry = (Map.Entry) iter.next();
			maxw = Math.max(maxw, entry.getKey().toString().length());
		}
		iter = NameRegistrar.getAsMap().entrySet().iterator();
		maxw++;
		while (iter.hasNext()) {
			Map.Entry entry = (Map.Entry) iter.next();
			cli.println(
					ISOUtil.strpad(entry.getKey().toString(), maxw) +
							entry.getValue().toString()
			);
			if (detail && entry.getValue() instanceof Loggeable) {
				((Loggeable) entry.getValue()).dump(cli.getOutputStream(), "   ");
				cli.getOutputStream().flush();
			}
		}
	}
}

